Slide attachment with a sounding mechanism

ABSTRACT

A slide attachment with a sound mechanism which includes a photographic slide film secured within an opening of a casing and an endless strip of film on which sound is recorded in a helical groove with the endless strip being mounted for sliding movement within the casing circumferentially about the opening.

United States Patent [191 [111 3,779,637 Otsuboj Dec. 18, 1973 [54]SLIDE ATTACHMENT WITH A SOUNDING 3,563,644 2/1971 Castedello 353/19 M HIS 2,338,414 1/1944 DeSant 274/11 R 3,666,275 5/1972 Heine 274/11 R [76]In ent r: Mln ru s i, l- 3,296,925 l/1967 Yamamoto 353/19 Nakacho,Meguro-ku, Tokyo, Japan [22] Filed: Mar. 7, 1972 Primary ExaminerLouisR. Prince [21] Appl' 232469 Assistant Examiner-A. .l. Mirabito RelatedUS. Application Data Attorney-Norman F. Oblon et a1. [63]Continuation-impart of Ser. No. 45,391, April 11,

1970, abandoned.

[30] Foreign Application Priority Data [57] ABSTRACT June 14, 1969 Japan44/46500 v 521 US. Cl 353/120, 274/11 R 353/19 A Slide attachment with aSound mechahism which 51 Int. Cl. G03b 31/06 cludes a P Slide filmsecured Within 581 Field of Search 353/19 120- Opening of a casing andan endless Ship of mm Oh 274/11 R which sound is recorded in a helicalgroove with the endless strip being mounted for sliding movement 56]References Cited within the casing circumferentially about the opening.

UNITED STATES PATENTS 3,176,580 4/1965 Metz 353/19 6 Claims, 3 DrawingFigures amass? QMEWH] DEC 18 I975 SLIDE ATTACHMENT WITH A SOUNDINGMECHANISM This application is a Continuation-ln-Part of copendingapplication Ser. No. 45,391, filed June 11, 1970 now abandoned, for: ASLIDE ATTACHMENT WITH A SOUNDING MECHANISM.

BACKGROUND OF THE INVENTION This invention relates to a photographicslide attachment with an accompanying sound recording, and moreparticularly to an improved slide attachment adapted to be used in anautomatic slide indexing projector and integrally provided with amechanism for recording sound associated with the photographic portionof the slide.

Slide attachments with integral sound recordings have been utilized inthe past and have generally included a separate audio portion for eachframe of visual presentation as distinguished from a continuous audioportion for a plurality of visual presentations as utilized in motionpictures. The conventional audiovisual slides have included a pluralityof respective pictures on a single strip of film, each of which hasincluded a number of parallel strips of optically recorded bands forrecording sound within the space between the respective picutres, and asound reproducing mechanism for scanning the optically recorded sound asthe film strip rotates. The sound reproducing mechanism utilized withsuch conventional audio-visual slides has been necessarily complicatedand extremely expensive. A further disadvantage of prior artaudio-visual slides has been in the difficulty in changing the order ofthe multiple frames of the slides in order to add additional framesbetween the existing pictures or to delete a particular picture from theorder of frames of the slide presentation.

More recently, individual photographic slides have been proposed whereinan individual audio portion is in accompaniment with the slide in theform of a magnetic tape. However, such devices have not been whollysuccessful in that they require the magnetic tape to be reel to reel orin a serpentine form, each of which is overly cumbersome andcomplicated. In order to provide sufficient magnetic tape for anadequate presentation for an individual slide, such cartridges or reelto reel devices have necessarily been too large and expensive for hometype use.

Although grooved platter type recordings have been suggested for use ina single presentation slide mechanism, such devices have beenexcessively large, expensive, and have necessitated the use of combinedprojector-player units of complicated and large design since the audioand visual pickups must be side to side.

SUMMARY OF THE INVENTION Accordingly, one object of this invention is toprovide a new and improved photographic slide with an associated soundrecording.

Another object of the invention is the provision of a new and improvedslide attachment of economical design with an associated mechanism forrecording and reproducing sound corresponding to the photographic slide.

It is another object of this invention to provide a slide attachmentwith an associated sound mechanism which is simple in operation forreproducing sound.

Still one further object of the present invention is to provide a slideattachment of compact design capable of reproducing sound forcoordination with the visual presentation.

Briefly, in accordance with one embodiment of this invention, these andother objects are obtained by providing a slide attachment with anassociated sound mechanism including a casing having a reproducingopening provided on one portion thereof and a driving opening providedon a second portion thereof, an endless strip of film having soundrecorded in a helical groove thereon and mounted and guided within thecasing, and supporting structure within the casing for securing aphotographic film slide within the casing.

BRIEF DESCRIPTION OF THE DRAWING A more complete appreciation of theinvention and many of the attendant advantages thereof will be readilyappreciated as the same becomes better understood by reference to thefollowing detailed description when considered in connection with theaccompanying Drawings, wherein:

FIG. 1 is a perspective view of a slide attachment constructed inaccordance with the present invention;

FIG. 2 is a sectional view of the slide attachment taken longitudinallyalong the central plane thereof and showing the inside portion thereof;and,

FIG. 3 is a sectional view of the slide attachment taken along the lineIIIIII of FIG. 1.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the Drawings,wherein like reference characters designate identical or correspondingparts throughout the several views, the slide attachment of the presentinvention includes a casing 1 having two half-shell portions A and Bwith a reproducing opening 2 provided on one portion of the outerperipheral edge thereof and a driving opening 3 adjacent thereto. Fourscrews, 4a, 4b, 4c, and 4d, are mounted at the four corners of thecasing 1 for connecting the two half-shell portions A and B. An endlessstrip film record 5 including a sound recording channel formed on theouter surface thereof in the form of a helical groove 5a is positionedwithin the casing and is guided by guide rollers 60, 6b, 6c, 6d, 6e, and6f. A plurality of shafts 7a, 7b, 7c, 7d, 7e, and 7f are supportedwithin holes formed on both of the inside sirfaces of the two halves Aand B for rotatably supporting the guide rollers 6a through 6f,respectively. Arcuate guide banks 8a and 8b, as well as straight guidebank 9 project from the inner surfaces of the casing halves A and B forsupporting both sides of the endless film record 5 intermediate theguide rollers. A sound pickup or needle pressure supporting plate 10projects from both inner surfaces of the casing halves A and B from theopposite side of the sound recording strip 5 to the reproducing opening2. A follower roller 11 is mounted rotatably on the opposite side of thestrip 5 to the driving opening 3.

A film slide supporting frame 12 is provided at the peripheral edge ofan opening 15 formed at the central portion of the half A of casing lopposite to the peripheral edge of an opening 15a fonned incorresponding relationship at the central portion of the casing half Bfor supporting a photographic film slide 14. A frame portion 13 isprovided on casing half B for positioning the photographic film slide 14as it is held in position by the slide supporting frame 12.

The slide casing l is constructed so as to be readily mounted within theprojection position and may be formed of opaque synthetic resin materialso as to restrict any detrimental light leaking from the projector lightsource and for guiding the projecting light to the slide film 14 throughthe openings 15 and 15a.

An external driving source (not shown) such as, for example, a shaft orroller, may be utilized to rotate the film record 5 at a constant speedin cooperation with the follower roller 11. The guide rollers 6a through6f are so disposed as to deform the circular endless strip film record 5into a shape corresponding generally to the internal shape of the casing1 such that the endless film record 5 is supported by the outer surfacesof the respective guide rollers preventing the film record fromcontacting the inner surface of the casing 1 so as to maintain thesmooth low friction rotation of the endless film record 5. The arcuateguide banks 811 and 8b and the straight guide bank 9 projecting from theinner surfaces of the casing halves A and B may be constructed of apredetermined size and shape so as to reduce the friction between thefilm record 5 and the banks and also to reduce the number of guiderollers so a to provide a more economic design. The pressure supportplate 10 is utilized to prevent the film record 5 from being depressedwhen groove 5a is engaged by a sound pickup device, such, for example,as a needle, so as to reproduce the sound in high-fidelity and also tosupport the travelling film record 5 while reducing the vibratory motionthereof.

The mechanism for rotatably supporting the endless film record need notbe restricted to the particular design as shown in the Drawings and asdescribed above. The film record may be provided with sufficientrigidity so as to automatically reset into the original circular shapefrom a deformed shape which the film record may be held in by the guiderollers. The film record may be mounted within the casing in many ways,and in many configurations with the guide rollers and guide banks eitherpositioned inwardly of the film record or outwardly thereof.

In operation of the subject invention, when the slide attachment isindexed into the projection position of a slide projector, the film willbe rotated by the external driving force through the driving opening 3and a pickup device, such as, for example, a needle, will be positionedon the recorded channel 5a of the film record to the reproducing opening2 so as to present the sound portion of the film record together withthe photographic portion of the film slide 14 which will, in turn, beprojected by a source of light through the opening 15.

Obviously, numerous modifications and variations of the presentinvention are possible in light of the above teachings. It is thereforeto be understood that within the scope of the appended Claims, theinvention may be practiced otherwise than as specifically describedherein.

What is claimed as new and desired to be secured by Letters Patent ofthe United States is:

1. A slide attachment with a sound recording mechanism comprising:

a casing including two halves, a reproducing opening and a drivingopening provided on said casing, means for connecting said two halves ofsaid casing, endless resilient strip record means disposed within saidcasing, for recording a sound on a helical grooved channel formedthereon, means for guiding said endless resilient strip record means,whereupon engagement of said guiding means with said resilient recordmeans causes said resilient record means to deform and become tensionedso as to facilitate driving of said record means, means for supportingsaid guiding means and said endless resilient strip record means,

pressure supporting means mounted on said casing,

follower rolling means rotatably mounted near the driving opening ofsaid casing,

film slide supporting means provided on said casing,

and,

a film slide supported by said film slide supporting means.

2. A slide attachment as set forth in claim 1, wherein said guidingmeans are guide rollers.

3. A slide attachment as set forth in claim 1, wherein said first-namedsupporting means are shafts supported on both inner surfaces of the twohalves of said casing.

4. A slide attachment as set forth in claim 1, wherein said casing isformed of opaque synthetic resin.

5. A slide attachment as set forth in claim 1, further comprising guidebanks for guiding said strip record.

6. An audio-visual slide attachment comprising:

a casing having at least first and second openings defined therein, saidfirst opening providing access for a driving member and said secondopening providing access for a sound pickup device,

an endless resilient strip record disposed within said casing, forrecording sound on a helical groove channel formed thereon,

means for guiding said endless resilient strip record into alignmentwith said first and second openings defined in said casing, whereuponengagement of said guiding means with said resilient record means causessaid resilient record means to deform and become tensioned so as tofacilitate driving of said record means by said driving member, and

means for supporting a single photographic film slide within saidcasing.

1. A slide attachment with a sound recording mechanism comprising: acasing including two halves, a reproducing opening and a driving openingprovided on said casing, means for connecting said two halves of saidcasing, endless resilient strip record means disposed within saidcasing, for recording a sound on a helical grooved channel formedthereon, means for guiding said endless resilient strip record means,whereupon engagement of said guiding means with said resilient recordmeans causes said resilient record means to deform and become tensionedso as to facilitate driving of said record means, means for supportingsaid guiding means and said endless resilient strip record means,pressure supporting means mounted on said casing, follower rolling meansrotatably mounted near the driving opening of said casing, film slidesupporting means provided on said casing, and, a film slide supported bysaid film slide supporting means.
 2. A slide attachment as set forth inclaim 1, wherein said guiding means are guide rollers.
 3. A slideattachment as set forth in claim 1, wherein said first-named supportingmeans are shafts supported on both inner surfaces of the two halves ofsaid casing.
 4. A slide attachment as set forth in claim 1, wherein saidcasing is formed of oPaque synthetic resin.
 5. A slide attachment as setforth in claim 1, further comprising guide banks for guiding said striprecord.
 6. An audio-visual slide attachment comprising: a casing havingat least first and second openings defined therein, said first openingproviding access for a driving member and said second opening providingaccess for a sound pickup device, an endless resilient strip recorddisposed within said casing, for recording sound on a helical groovechannel formed thereon, means for guiding said endless resilient striprecord into alignment with said first and second openings defined insaid casing, whereupon engagement of said guiding means with saidresilient record means causes said resilient record means to deform andbecome tensioned so as to facilitate driving of said record means bysaid driving member, and means for supporting a single photographic filmslide within said casing.